Astronomers are abuzz with the discovery of a rogue planet, 2MASS J05325346+0919037, which is set to pass within 0.05 light-years of the Sun in approximately 1.3 million years. This event, ...

Lava planets don’t play by the rules of our solar system. These scorching-hot worlds, some no bigger than Earth, orbit so close to their stars that a full year lasts less than a day. With their ...

Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, icy, egg-shaped planet in the far reaches of our solar system, beyond ...

TUCSON, Ariz. (KVOA) - Astronomers have confirmed a new planet in one of the youngest solar systems ever found, thanks to University of Arizona technology. The system, called WISPIT 2, was first ...

The search for an unknown planet in our solar system has inspired astronomers for more than a century. Now, a recent study suggests a potential new candidate, which the paper’s authors have ...